Hescwm Mill House is a Grade II listed building in the Pembrokeshire Coast National Park local planning authority area, Wales. First listed on 18 March 1994. House.
Hescwm Mill House
- WRENN ID
- open-footing-alder
- Grade
- II
- Local Planning Authority
- Pembrokeshire Coast National Park
- Constituency
- Ceredigion Preseli MP: Ben Lake (PC)
- Country
- Wales
- Date first listed
- 18 March 1994
- Type
- House
- Address
- Hescwm Mill House, Dinas Cross
- OS grid reference
- SM 997 384
- Coordinates
- 52.00863, -4.91902
- Source
- Cadw listing
Description
Hescwm Mill House is a two-storey building with a painted roughcast exterior and an imitation slate roof, along with a grouted slate roof at the rear and rendered end chimneys. The house features a three-window range of large horned 4-pane sashes and a central glazed door, with the windows likely enlarged in the early 20th century. At the back, there is an outshut with a side-wall stack and a two-storey northwest rear wing that has a two-window east front. This wing contains original 12-pane hornless sashes on the first floor to the left and the ground floor to the right, along with a 4-pane sash on the first floor to the right and a glazed door. An attached outbuilding is located at the end of the wing. The west side of the house has 4-pane sashes and a modern glazed porch.
Inside, there is a later 19th-century staircase in the rear wing, and similar joists throughout suggest that this is an older house with an outshut that was remodeled when the rear wing was added. Improvements to the mill are recorded from 1859.
Local climate
Hescwm Mill House sits in a wetter-than-average part of the UK, with an average of 1,140 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 97% of listed buildings.
It experiences an average of 6 freeze-thaw cycles a year, fewer than 96% of listed buildings. Of these, 2 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
More on this building
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- No EPC on record for this property
- No sale records on file
- No related consent applications matched
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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